. >> and by contributions to your pbs station from viewers like you. thank you. tavis: please welcome jeffrey sachs back to this program. he is one of the most important voices in our time. the director of the earth institute at columbia. his latest book is called "the price of civilization." he joins us tonight from new york. jeffrey sachs, good to have you back on this program. >> good to be back on. tavis: what has happened in this country since you wrote this book that made to put some new stuff in it for the paperback version? >> this book was about things really going wrong in america. the lack of civic virtue among the rich and powerful that we have expected and that we need. after i put the pen down in a writing the original book, the occupy movement brought attention finally around this country to huge inequalities. we have a campaign between a republican party that has a double down on greed and fear -- for the super-rich versus president obama of who is trying to steer a middle course. i like to see him steer a little bit more, frankly, even progressiv